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Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/bits/setjmp.h')
-rw-r--r--sysdeps/unix/sysv/linux/sparc/bits/setjmp.h19
1 files changed, 17 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h b/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h
index b44cc0fcd5..dac9ac5cba 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/setjmp.h
@@ -1,5 +1,4 @@
-/* Copyright (C) 1997, 1999, 2000, 2003, 2005, 2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1997,1999,2000,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -58,12 +57,28 @@ typedef struct __sparc64_jmp_buf
} __jmp_buf[1];
#endif
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_fp)
+
#else
+#if defined __USE_MISC || defined _ASM
+# define JB_SP 0
+# define JB_FP 1
+# define JB_PC 2
+#endif
+
#ifndef _ASM
typedef int __jmp_buf[3];
#endif
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((int) (address) < (jmpbuf)[JB_SP])
+
#endif
#endif /* bits/setjmp.h */